#----------------------------------
for((i=11; i<=14; i++))
do
echo $i
	ssh -n "node"${i} "sudo sysctl -w net.core.rmem_max=$1; sudo sysctl -w net.core.rmem_default=$1;"
	ssh -n "node"${i} "sudo sysctl -w net.core.wmem_max=$1; sudo sysctl -w net.core.wmem_default=$1;"
done
#-----------------------------------
